The Battle of Gettysburg took place from July 1 to July 3, 1863. The battle followed a Confederate victory at Chancellorsville, from where Gen. Robert E. Lee marched his troops to Pennsylvania. The Potomac Union army meet his troops at Gettysburg where the battle commenced.
The battle began on July 1, 1863. After two days of bloody battling, Gen. Lee commanded some of his troops to charge at the center of the Union force. This ultimately backfired and thousands of Confederates were killed.
Following this failed charge, on July 3, 1863, General Lee's troops retreated to Virginia. At the end of the battle, over 23,000 Union and over 28,000 Confederate soldiers had been killed. This would be the bloodiest battle of the Civil War. Nonetheless, this was a major turning point in the War in favor of the Union.